SD036 over Grace Coolidge Ck
FairCuster County, South Dakota · 0.7 E JCT US 16A · Structure no. 000000017365064
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected August 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 955
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD036 over Grace Coolidge Ck is a concrete continuous culvert carrying SD036 over Grace Coolidge Ck in Custer County, South Dakota. It was built in 1989, so it is 36 years old, younger than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 955 vehicles a day, roughly 3% of them trucks, projected to reach 1,558 by 2044. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 34.2 mi (55 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD036 over Grace Coolidge Ck built?
It was built in 1989, making it 36 years old in 2025.
What condition is SD036 over Grace Coolidge Ck in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2021.
How much traffic does SD036 over Grace Coolidge Ck carry?
About 955 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is SD036 over Grace Coolidge Ck?
The structure is 30 ft (9.2 m) long with a longest span of 15 ft (4.5 m).
Who owns SD036 over Grace Coolidge Ck?
It is owned by the State Highway Agency.